The use of grids for extraoral radiography is not common in dental practice and is mostly confined to cephalometric and TMJ radiographs.The function of the grid is to decrease the amount of scatter radiation originating in the object.
A) Both statements are true.
B) Both statements are false.
C) First statement is true,second is false.
D) First statement is false,second is true.
Correct Answer:
Verified
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A)by sight development.
B)only with
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